Finding the Fourth Proportional to 59,786.87, 82,415.72 and 49,158.05

Step by Step Solution

1. Step 1: Write the proportion equation
   59,786.87 : 82,415.72 = 49,158.05 : x
2. Step 2: Convert to fraction form
   59,786.87/82,415.72 = 49,158.05/x
3. Step 3: Cross multiply
   59,786.87x = 82,415.72 × 49,158.05
4. Step 4: Simplify right side
   59,786.87x = 4,051,395,426.68
5. Step 5: Solve for x
   x = 4,051,395,426.68/59,786.87
6. Step 6: Final answer
   x = 67,763.97